Dawn Lei, M.D.
Allergy & Immunology Physician · Sycamore, IL
Dawn Lei, M.D. is an allergy & immunology physician with a practice address in Sycamore, Illinois, and NPI 1740660554, issued on Jun 5, 2015. Check the license (Illinois 036.146239, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Dawn Lei
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 036.146239 IL
036146239 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2127 Midlands CT Unit 203, Sycamore, IL 60178
- Phone
- (815) 758-8106
- Enumerated
- Jun 5, 2015
- Record last updated
- Jul 15, 2024
- Fax
- (815) 758-8108
- Medicare enrollment
- Enrolled (PECOS I20200831001165); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2015
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 162 in Illinois → Look up another NPI →
Also registered at 2127 Midlands CT Unit 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Briana Arzuaga, AUDAudiologist1972365724
- Whitney Hawkins, AU.D.Audiologist1184096646
- Nicole Rodiek, APRN, CNPNurse Practitioner1144913500
- Ryan Taccona, MSN, APRN, FNP-CNurse Practitioner1922606201
Verify Dawn Lei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.146239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
311 Medicare Part D claims for 85 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Azelastine Hcl37 claims
- Montelukast Sodium34 claims
- Trelegy Ellipta31 claims
- Fluticasone Propionate19 claims
- Albuterol Sulfate Hfa18 claims
- Prednisone15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $232.55
11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Central Dupage Physician GroupSycamore, IL
- Northwestern Medical Faculty FoundationSycamore, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dawn Lei among 162 allergy & immunology physician records in Illinois
Dawn Lei, M.D. is one of 162 allergy & immunology physician records with a practice address in Illinois. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2001 among the 114 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Illinois
There are 162 allergy & immunology physician records in Illinois.
All 162 in Illinois → Every provider in Sycamore → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Bhavisha Patel, M.D.Sycamore, IL 601781407134505
- Daryn Abraham, M.D.St Charles, IL 601751104975770
- Priya Bansal, M.D.,Saint Charles, IL 601751811970486
- Parisa Gerami-Lehnerer, M.D.St Charles, IL 601751295140291
- Bimaljit Pangli, MDSt Charles, IL 601751962906875
- Virginia Madla, MDSt Charles, IL 601741427056092
- Sonali Majmudar, MDHoffman Estates, IL 601691528164118
- Anne Szpindor, MDHoffman Estates, IL 601691841376365
Common questions
What is Dawn Lei, M.D.'s NPI number?
Dawn Lei, M.D.'s National Provider Identifier (NPI) is 1740660554, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dawn Lei, M.D. located?
The NPPES record lists a practice address at 2127 Midlands CT Unit 203, Sycamore, IL, 60178. Phone: (815) 758-8106. Providers update this record themselves, so call before visiting.
How can I verify Dawn Lei, M.D.'s license?
NPPES lists Illinois license number 036.146239, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dawn Lei, M.D. prescribe under Medicare Part D?
In 2024, Dawn Lei, M.D. had 311 Medicare Part D claims for 85 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.